<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org" xmlns:sec="http://www.thymeleaf.org/extras/spring-security">
<head>
    <meta charset="UTF-8">
    <title>实验室辅助管理系统</title>
    <style>
        /* 全局样式 */
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
            background-color: #f5f7fa;
            margin: 0;
            padding: 0;
            color: #333;
            line-height: 1.6;
        }

        /* 导航栏样式 */
        .navbar {
            background-color: #ffffff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .navbar-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .navbar-brand {
            font-size: 18px;
            font-weight: 600;
            color: #2c3e50;
            text-decoration: none;
            display: flex;
            align-items: center;
        }

        .navbar-brand i {
            margin-right: 8px;
            color: #2980b9;
        }

        .navbar-nav {
            display: flex;
            align-items: center;
        }

        .nav-link {
            color: #555;
            font-size: 14px;
            text-decoration: none;
            font-weight: 500;
            margin-left: 15px;
            transition: color 0.3s ease;
            padding: 5px 10px;
            border-radius: 4px;
        }

        .nav-link:hover {
            color: #2980b9;
            background-color: #f0f8ff;
        }

        .btn-group {
            display: flex;
            align-items: center;
            margin-left: 15px;
        }

        .btn-group .btn {
            margin-left: 8px;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: #3498db;
            color: white;
            border: none;
        }

        .btn-primary:hover {
            background-color: #2980b9;
        }

        .btn-outline-primary {
            background-color: transparent;
            color: #3498db;
            border: 1px solid #3498db;
        }

        .btn-outline-primary:hover {
            background-color: #3498db;
            color: white;
        }

        .btn-success {
            background-color: #2ecc71;
            color: white;
            border: none;
        }

        .btn-success:hover {
            background-color: #27ae60;
        }

        .btn-warning {
            background-color: #f39c12;
            color: white;
            border: none;
        }

        .btn-warning:hover {
            background-color: #d35400;
        }

        .btn-info {
            background-color: #3498db;
            color: white;
            border: none;
        }

        .btn-info:hover {
            background-color: #2980b9;
        }

        .btn-danger {
            background-color: #e74c3c;
            color: white;
            border: none;
        }

        .btn-danger:hover {
            background-color: #c0392b;
        }

        .welcome-text {
            margin-left: 15px;
            font-size: 14px;
            color: #555;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .navbar-container {
                flex-direction: column;
                align-items: flex-start;
            }

            .navbar-nav {
                margin-top: 15px;
                flex-wrap: wrap;
            }

            .btn-group {
                margin-top: 8px;
                margin-left: 0;
            }

            .welcome-text {
                margin: 8px 0;
            }
        }
    </style>
</head>
<body>

<!-- 导航栏 -->
<nav class="navbar">
    <div class="navbar-container">
        <a class="navbar-brand" href="#">
            <i class="fas fa-flask"></i>
            实验室辅助管理系统
        </a>
        <div class="navbar-nav">
            <span sec:authorize="isAuthenticated()">
                <div class="btn-group">
                    <a href="/laboratory/Info" class="btn btn-sm btn-outline-success active">实验室管理</a>
                    <a href="/email" class="btn btn-sm btn-outline-info">邮箱</a>
                    <a href="/user/admin" class="btn btn-sm btn-outline-warning">管理员界面</a>
                    <a href="/user/userInfo" class="btn btn-sm btn-outline-primary">个人中心</a>
                    <span class="welcome-text">欢迎, <span sec:authentication="name"></span>!</span>
                    <a href="/user/logout" class="btn btn-sm btn-outline-danger">退出</a>
                </div>
            </span>
        </div>
    </div>
</nav>
<h1>欢迎来到实验室管理系统</h1>
</body>
</html>